From £37,500
Urban Select Construction is a trusted extension builder serving customers in West Lancashire and the surrounding area. Contact us to today to get ...
From £34,800
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
From £37,140
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
From £35,250
Higher End Construction Limited is an established extension buildering business in West Lancashire. We come highly recommended and provide competit...
From £31,560
Trusted and professional extension builder in West Lancashire. Experienced in all extension buildering work and keeping within budget and on quote....
From £37,770
Red Avex Ltd are here to help customers who need an Extension Builder in West Lancashire. We offer a competitive rate to complete all your extensio...
From £28,590
Need an Extension Builder in West Lancashire? MND Building Services Ltd has been helping local clients (20 mile radius) with their extension builde...
From £36,690
D P Construction Limited are here to help customers who need an Extension Builder in West Lancashire. We offer a competitive rate to complete all y...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in West Lancashire by posting a job with HaMuch and we will send it to extension builders in West Lancashire.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near West Lancashire | £28 | £203 |
| Convert A Basement near Ormskirk | £29 | £206 |
| Convert A Basement near Skelmersdale | £29 | £211 |
| Convert A Basement near Maghull | £33 | £219 |
| Convert A Basement near Orrell | £29 | £214 |
| Convert A Basement near Kirkby | £31 | £223 |
| Convert A Basement near Southport | £27 | £198 |
| Convert A Basement near Formby | £23 | £162 |
| Convert A Basement near Sefton | £33 | £219 |
| Convert A Basement near Crosby | £33 | £222 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,174

Two storey extension - £87,510

Build a timber frame extension - £25,674

Build a swimming pool - £80,674

Single storey extension - £48,472

Side return extension - £37,828

Install an RSJ - £1,874

Outbuilding - £9,674

Build a Mansard loft conversion - £51,674

Loft conversion - £30,690

Build a kitchen extension - £41,674

Hip to gable loft conversion - £41,674

Granny annexe - £86,674

Garden office - £9,674

Convert a Garage - £15,674

Garage - £18,174

Build a flat roof extension - £21,674

Build a dormer loft conversion - £41,674

Concrete foundations - £5,924

Convert a bungalow loft - £28,674

Convert a basement - £33,828